Abstract
The solid phase synthesis of 1,4-benzothiazepin-5-one derivatives, resulting from the reaction of resin-bound protected cysteine with 2-fluoro- 5-nitro-benzoic acid followed by a reductive alkylation and an intra molecular cyclization, is described.
Original language | English (US) |
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Pages (from-to) | 4939-4942 |
Number of pages | 4 |
Journal | Tetrahedron Letters |
Volume | 40 |
Issue number | 27 |
DOIs | |
State | Published - Jul 2 1999 |
Externally published | Yes |
Bibliographical note
Funding Information:ACKNOWLEDGEMENTS We thank Eileen Weiler for editorial assistance. This work was funded in part by National Science Foundation Grant No. CHE-9520142 (I-Ioughten) and National Cancer Institute Grant No. 1P01CA78040 (Houghten). REFERENCES AND NOTES 1. For reviews on solid phase organic synthesis, see: (a) Gallop, M. A.; Barret, R. W.; Dower, W. J.; Fodor, S. P. A.; Gordon, E. M. Jr. Med, Chem.1 994, 37, 1233. (b) Gordon, E. M.; Barter, g. W.; Dower, W. J.;